18404555

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{2749}}^1$

素因数の和:2870

約数の個数: 16

約数和(自身を含む): 24024000

約数和(自身を除く): 5619445

約数列:

[1, 5, 13, 65, 103, 515, 1339, 2749, 6695, 13745, 35737, 178685, 283147, 1415735, 3680911, 18404555]

約数ペア:

[(1, 18404555), (5, 3680911), (13, 1415735), (65, 283147), (103, 178685), (515, 35737), (1339, 13745), (2749, 6695)]